lavan kumar

• Username: 2★unknown_03
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

1576 (+27)RatingProvisional
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June Lunchtime 2017(2017-06-24 22:30:00)

Global Rank:   875

Cheated in:   

Ratings System Update

(2017-06-24 22:30:00)

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1576 (-109)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2017(2022-12-20 00:00:00)

Global Rank:   875

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (20)

August Challenge 2015

Gravity Guy, Way Out, Aditi and Magic Trick, Cooking Machine

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence

December Cook-Off 2015

Chef and Subarrays

February Challenge 2016

Chef-Detective

August Challenge 2016

Chef and Chocolate

October Challenge 2016

Chef and Keyboard

January Cook-Off 2016

Chef and Fruits

February Cook-Off 2016

Puppy and Sum

July Lunchtime 2016

Lumpy - The Bus Driver, Drumpf for President!

August Lunchtime 2016

Studying Alphabet, Lock-Free Stack

October Lunchtime 2016

The Largest Bouquet

February Challenge 2017

Chef and His Apartment Dues

April Challenge 2017

Similar Dishes, Bear and Clique Distances, Bear and Row 01, Dish Of Life

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Pairwise union of sets

June Cook-Off 2017

Ada and crayons, SnackUp

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

Total Problems Solved: 36